David Hart
7Patents
4h-index
6Co-inventors
50Inventor score
Filing activity: May 12, 1980 → Jan 13, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4302877A | Single spring double lockblade folding knife | Performing Operations; Transporting | 28 | Expired |
| US5791279A | Apparatus for manually transporting a canoe | Performing Operations; Transporting | 21 | Expired |
| USD922414S1 | Display screen with graphical user interface for organizing conversations by date | General | 18 | Active |
| US11216172B1 | Scrolling feed while maintaining expanded size of post in feed | Physics | 10 | Active |
| US11010050B1 | Systems and methods for swipe-to-like | Physics | 4 | Active |
| US11486221B2 | Wellbore casing repair safety tool for low-pressure hydrocarbon wells | Fixed Constructions | 0 | Active |
| US10932973B2 | Portable light weight apparatus | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.